<template>
  <div>
    <!--面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--卡片视图区域-->
    <el-card class="box-card">
      <!--搜索与添加区域-->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!--用户列表区域-->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!--修改按钮-->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!--删除按钮-->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!--分配角色按钮-->
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!--分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!--添加用户的对话框-->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!--内容主体区域-->
      <el-form ref="userFormRef" :model="addForm" :rules="addFormRules" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密  码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮  箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手  机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!--底部区域-->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser"
          >确 定</el-button
        >
      </span>
    </el-dialog>

    <!--修改用户的对话框-->
    <el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible" @closed="editDialogClosed"
  width="50%">
  <el-form ref="editFormRef" :model="editForm" :rules="editFormRules" label-width="70px">
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮  箱" prop="email">
    <el-input v-model="editForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手  机" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
        // 验证邮箱的正则表达式
        const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
        // 合法
        if (regEmail.test(value)) {
            return cb()
        }
        cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
        // 验证手机号的正则表达式
        const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
        // 合法
        if (regMobile.test(value)) {
            return cb()
        }
        cb(new Error('请输入合法的手机号'))
    }

    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前页码
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
          username: '',
          password: '',
          email: '',
          mobile: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
          username: [
              { required: true, message: '请输入用户名', trigger: 'blur' },
              { min: 3, max: 10, message: '用户名长度在3-10之间', trigger: 'blur' }
          ],
          password: [
              { required: true, message: '请输入密码', trigger: 'blur' },
              { min: 6, max: 15, message: '密码长度在6-15之间', trigger: 'blur' }
          ],
          email: [
              { required: true, message: '请输入邮箱', trigger: 'blur' },
              { validator: checkEmail, trigger: 'blur' }
          ],
          mobile: [
              { required: true, message: '请输入手机', trigger: 'blur' },
              { validator: checkMobile, trigger: 'blur' }
          ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {},
      // 修改用户表单的验证规则对象
      editFormRules: {
        email: [
              { required: true, message: '请输入邮箱', trigger: 'blur' },
              { validator: checkEmail, trigger: 'blur' }
          ],
        mobile: [
              { required: true, message: '请输入手机', trigger: 'blur' },
              { validator: checkMobile, trigger: 'blur' }
          ]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize改变的事件
    handleSizeChange (newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange (newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态的改变
    async userStateChanged (userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败!')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed () {
       this.$refs.userFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser () {
       this.$refs.userFormRef.validate(async valid => {
        //    console.log(valid)
        if (!valid) return false
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
            this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
       })
    },
    // 显示编辑用户的对话框
    async showEditDialog (id) {
      console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改对话框的关闭事件
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return false
        // 发起修改用户信息的数据请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败')
        }
        // 关闭修改用户对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功')
      })
    },
    // 根据id删除对应的用户信息
    async removeUserById (id) {
        const confirmResult = await this.$confirm('此操作将永久删除该用户，是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)

        // 如果用确认删除，则返回值为字符串confirm
        console.log(confirmResult)
        if (confirmResult !== 'confirm') {
          return this.$message.info('已取消删除')
        }

        // 确认删除
        const { data: res } = await this.$http.delete('users/' + id)
        if (res.meta.status !== 200) {
            return this.$message.error('删除用户失败')
        }
        this.$message.success('删除用户成功')
        this.getUserList()
    }
  }
}
</script>

<style scoped></style>
